GoPro Grand Prix of Sonoma – Practice #1 notes and results
Despite turning only four laps in the first practice session, Helio Castroneves turned the quickest lap at 1:17.3298. Marco Andretti turned the second quickest lap of the session and the third generation drivers was joined in the top five by his Andretti Autosport teammate Ryan Hunter-Reay. It was not surprising to see those two drivers…